EP0851060B1 - Papermaking apparatus having semicontinuous pattern - Google Patents

Papermaking apparatus having semicontinuous pattern Download PDF

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Publication number
EP0851060B1
EP0851060B1 EP98103179A EP98103179A EP0851060B1 EP 0851060 B1 EP0851060 B1 EP 0851060B1 EP 98103179 A EP98103179 A EP 98103179A EP 98103179 A EP98103179 A EP 98103179A EP 0851060 B1 EP0851060 B1 EP 0851060B1
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EP
European Patent Office
Prior art keywords
protuberances
belt
cellulosic fibrous
fibrous structure
machine direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98103179A
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German (de)
French (fr)
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EP0851060A3 (en
EP0851060A2 (en
Inventor
Peter Graves Ayers
Thomas Anthony Hensler
Paul Dennis Trokhan
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Procter and Gamble Co
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Procter and Gamble Co
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Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP0851060A2 publication Critical patent/EP0851060A2/en
Publication of EP0851060A3 publication Critical patent/EP0851060A3/en
Application granted granted Critical
Publication of EP0851060B1 publication Critical patent/EP0851060B1/en
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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006Making patterned paper
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/90Papermaking press felts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/902Woven fabric for papermaking drier section

Definitions

  • the present invention relates to a macroscopically monoplanar apparatus, such as a belt, used for making cellulosic fibrous structures, such as paper.
  • a macroscopically monoplanar apparatus such as a belt
  • This invention relates to such apparatus used in a through-air drying process for making cellulosic fibrous structures, and more particularly to an apparatus having a particular pattern thereon which imparts properties to the paper in a like pattern.
  • a filter belt for aqueous suspensions according to the preamble of claim 1 is known from FR-A-1 148 810. However, in this belt the protuberances forming a semicontinuous patterned framework run strictly parallel to the cross machine direction.
  • Cellulosic fibrous structures such as paper, are well known in the art.
  • cellulosic fibrous structures are a staple of every day life and are found in facial tissues, toilet tissue, and paper toweling.
  • cellulosic fibrous structures having multiple regions.
  • a cellulosic fibrous structure is considered to have multiple regions when one region of the cellulosic fibrous structure differs in either basis weight, density, or both from another region of the cellulosic fibrous structure.
  • Multiple regions within a cellulosic fibrous structure can provide several advantages, such as economization of materials, increasing certain desirable properties and decreasing certain undesirable properties.
  • the apparatus used to manufacture the multiple region cellulosic fibrous structure will greatly influence these properties.
  • a secondary belt can affect the properties imparted to the cellulosic fibrous structure.
  • a "secondary apparatus” or a “secondary belt” refers to an apparatus or a belt, respectively, having an embryonic web contacting surface and which is used to carry or otherwise process an embryonic web of cellulosic fibers after initial formation in the wet end of the papermaking machinery.
  • a secondary belt may include, without limitation, a belt used for molding an embryonic web of the cellulosic fibrous structure, a through-air drying belt, a belt used to transfer the embryonic web to another component in the papermaking machinery, or a backing wire used in the wet end of the papermaking machinery (such as a twin-wire former) for purposes other than initial formation.
  • An apparatus or belt according to the present invention does not include embossing rolls, which deform dry fibers after fiber-to-fiber bonding has taken place.
  • a cellulosic fibrous structure according to the present invention may be later embossed, or may remain unembossed.
  • a wet molded and through-air dried cellulosic fibrous structure made on a secondary belt according to Figure 4 of commonly assigned U.S. Patent 4,514,345 issued April 30, 1985 to Johnson, et al. may experience less curling at the edges than a cellulosic fibrous structure made on a secondary belt according to commonly assigned U.S. Patent 4,528,239 issued July 9, 1985 to Trokhan.
  • a cellulosic fibrous structure made on a secondary belt according to the aforementioned Trokhan patent may have a greater burst strength than a cellulosic fibrous structure made on a secondary belt according to Figure 4 of the aforementioned Johnson, et al. patent.
  • This difference in performance relative to properties such as absorbency and burst strength may be attributed to the pattern of the drying belt used in wet molding and the through-air drying process to make the respective cellulosic fibrous structures.
  • a cellulosic fibrous structure made on a secondary belt according to Figure 4 of the aforementioned Johnson, et al. patent will have discrete high density regions and essentially continuous low density regions.
  • a cellulosic fibrous structure made on a secondary belt according to the aforementioned Trokhan patent will have continuous high density regions and discrete low density regions. This difference in the pattern of the regions influences other properties of the respective cellulosic fibrous structures as well.
  • a cellulosic fibrous structure made on a belt according to the aforementioned Trokhan patent may have a lower cross machine direction modulus of elasticity and may have greater cross machine direction extensibility than a cellulosic fibrous structure made on a belt according to the aforementioned Johnson, et al. patent.
  • these properties are typically offset by less sheet shrinkage and edge curling in a cellulosic fibrous structure made on a belt according to the aforementioned Johnson, et al. patent.
  • the caliper of certain cellulosic fibrous structures is closely related to the crepe pattern caused by the impact angle of the doctor blade.
  • the doctor blade is used to remove the cellulosic fibrous structure from the surface of a heated Yankee drying drum and to crepe the cellulosic fibrous structure by foreshortening it in the machine direction.
  • maintaining constant material properties such as machine direction extensibility
  • This difficulty is encountered because the doctor blade wears over time. Such wear is rarely constant over time, due to the taper of the blade and the stiffness of the blade changing as a third order power when wear occurs.
  • the wear and changes which occur on one papermaking machine utilizing a particular doctor blade are often totally different than the wear and changes which occur on another papermaking machine using an identical doctor blade.
  • the cellulosic fibrous structure typically becomes softer, but loses tensile strength. Also, as the impact angle becomes smaller due to wear, the cellulosic fibrous structure may have greater caliper. Conversely, as the impact angle between the doctor blade and the surface of the Yankee drying drum becomes greater, such as occurs when the bevel angle of the doctor blade is increased, the doctor blade will typically wear at a faster rate.
  • Trokhan patent a disadvantage to the aforementioned Trokhan patent is that a cellulosic fibrous structure made thereon does not show a correlation to the doctor blade impact angle.
  • one skilled in the art is forced to select between greater caliper generation and control of the caliper (and other properties) by adjusting the doctor blade.
  • a cellulosic fibrous structure made on a belt having discrete protuberances will increase in caliper as the doctor blade wears, if the blade impact angle is not adjusted to compensate.
  • a cellulosic fibrous structure made on a secondary belt having a continuous pattern of protuberances is less sensitive to such wear.
  • the prior art shows a need for a secondary belt which generates relatively high caliper yet responds to changes in the impact angle of the doctor blade with like changes in the caliper of the cellulosic fibrous structures dried thereon.
  • one way to achieve greater caliper is by adjusting the doctor blade.
  • Another way to increase the caliper of a cellulosic fibrous structure having multiple regions is to increase its basis weight.
  • this arrangement also increases the basis weight of other regions in which it may not be desirable to do so, requires greater utilization of fibers, and increases the cost to the consumer.
  • Pinholing occurs when regions of the cellulosic fibrous structure are deflected into the deflection conduits of the secondary belts and break through, so that an opening is present and light passes through the opening. Pinholing and transmission of light therethrough present a cellulosic fibrous structure having a less durable and lower quality appearance to the consumer, and is accordingly undesirable to the consumer.
  • the amount of shrinkage is also closely related to the amount of cross machine direction extensibility the cellulosic fibrous structure will undergo before rupture. While relatively greater cross machine direction extensibility is highly desired, due to allowing the cellulosic fibrous structure to elastically deform without tearing or shredding in use, the penalty for such desired cross machine direction extensibility is paid for at the time of manufacture by encountering greater cross machine direction shrinkage and curling.
  • the invention comprises a macroscopically monoplanar apparatus used in manufacturing a cellulosic fibrous structure and having two mutually orthogonal principal directions, namely a machine direction and a cross machine direction, said apparatus comprising a reinforcing structure and a semicontinuous patterned framework of protuberances joined to the reinforcing structure and extending outwardly therefrom to define deflection conduits between said protuberances.
  • the invention - according to claim 1 - is characterised in that semicontinuous patterned framework of protuberances (20) forms a parallel pattern running diagonally relative to the machine and cross machine directions.
  • the invention comprises an apparatus for manufacturing a cellulosic fibrous structure.
  • the apparatus according to the present invention may be embodied in a variety of forms, such as rotating drums for continuous processing and preferably endless belts 10 for ordinary papermaking machinery as illustrated in Figure 1. Although these, and other,-embodiments of the present invention are suitable, except as noted below, the preferred embodiment of the endless belt 10 is the embodiment discussed below with the understanding that other embodiments may be readily carried out by one skilled in the art.
  • the preferred endless belt 10 embodiment of an apparatus according to the present invention comprises two primary elements: a patterned framework of protuberances 20 and a reinforcing structure 30.
  • the reinforcing structure 30 of the belt 10 has two opposed major surfaces. One major surface is the paper contacting side 32 and from which the protuberances 20 extend.
  • the other major surface of the reinforcing structure 30 of the papermaking belt 10 is the backside 34, which contacts the machinery employed in a typical papermaking operation. Machinery employed in a typical papermaking operation include vacuum pickup shoes, rollers, etc., as are well known in the art and will not be further discussed herein.
  • the "machine direction" of the belt 10 is the direction within the plane of the belt 10 parallel to the principal direction of travel of the cellulosic fibrous structure during manufacture.
  • the machine direction is designated by arrows "MD" in Figure 1.
  • the cross machine direction is generally orthogonal the machine direction and also lies within the plane of the belt 10.
  • the Z-direction is orthogonal both the machine direction and cross machine direction and generally normal to the plane of the belt 10 at any position in the papermaking process.
  • the machine direction, cross machine direction, and Z-direction form a Cartesian coordinate system.
  • the belt 10 according to the present invention is essentially macroscopically monoplanar.
  • a component is "macroscopically monoplanar” if such component has two very large dimensions in comparison to a relatively small third dimension.
  • the belt 10 is essentially macroscopically monoplanar in recognition that deviations from absolute planarity are tolerable, but not preferred, so long as the deviations do not adversely affect the performance of the papermaking belt 10 in making cellulosic fibrous structures thereon.
  • the reinforcing structure 30 may comprise a generally cylindrical shell having a plurality of holes therethrough.
  • the reinforcing structure 30 comprises a series of filaments, preferably woven in a rectangular pattern to define interstices therebetween.
  • the interstices allow fluids, such as drying air, to pass through the belt 10 according to the present invention.
  • the interstices form one of the groups of openings in the papermaking belt 10 according to the present invention, which openings are preferably smaller than those defined by the pattern of the framework.
  • the reinforcing structure 30 may have vertically stacked machine direction filaments to provide increased stability and load bearing capability. By vertically stacking the machine direction filaments of the reinforcing structure 30, the overall durability and performance of a belt 10 according to the present invention is enhanced.
  • the reinforcing structure 30 should not present significant obstruction to the flow of fluids, such as drying air therethrough and, therefore, should be highly permeable.
  • the permeability of the reinforcing structure 30 may be measured by the airflow therethrough at a differential pressure of about 127,5 Pa (1.3 centimeters of water or 0.5 inches of water).
  • a preferred reinforcing structure 30 having no framework of protuberances 20 attached thereto should have a permeability at this differential pressure of about 240 to 490 standard cubic meters per minute per square meter of belt 10 area (800 to 1,600 standard cubic feet per minute per square foot).
  • a belt 10 having a framework of protuberances 20 preferably has an air permeability of about 90 to 180 standard cubic meters per minute per square meter (300 to 600 standard cubic feet per minute per square foot).
  • the reinforcing structure 30 of a belt 10 according to the present invention may have a textured backside 34.
  • the textured backside 34 has a surface topography with asperities to prevent the buildup of papermaking fibers on the backside 34 of the belt 10, reduces the differential pressure across the belt 10 as vacuum is applied thereto during the papermaking process, and increases the rise time of the differential pressure prior to the maximum differential pressure occurring.
  • a particularly preferred reinforcing structure 30 for use with the present invention may be made in accordance with the teachings of commonly assigned U.S. Patent 5,098,522 issued March 24, 1992 to Smurkoski, et al. which patent shows how to make a particularly preferred reinforcing structure 30 suitable for use with a papermaking belt 10 in accordance with the present Invention and showing a process for making cellulosic fibrous structures using such a papermaking belt 10.
  • the other primary component of the papermaking belt 10 is the patterned framework of protuberances 20.
  • the protuberances 20 define deflection conduits 40 therebetween.
  • the deflection conduits 40 allow water to be removed from the cellulosic fibrous structure by the application of differential fluid pressure, by evaporative mechanisms, or both when drying air passes through the cellulosic fibrous structure while on the papermaking belt 10 or a vacuum is applied through the belt 10.
  • the deflection conduits 40 allow the cellulosic fibrous structure to deflect in the Z-direction and generate the caliper of and aesthetic patterns on the resulting cellulosic fibrous structure.
  • the protuberances 20 are arranged in a semicontinuous pattern. As used herein, a pattern of protuberances 20 is considered to be "semicontinuous" if a plurality of the protuberances 20 extends substantially throughout one dimension of the apparatus, and each protuberance 20 in the plurality is spaced apart from adjacent protuberances 20.
  • the protuberances 20 in the semicontinuous pattern are generally parallel as illustrated in Figure 1 and run diagonally relative to the machine and cross machine directions.
  • the direction of the protuberance 20 alignment discussed above refers to the principal alignment of the protuberances 20.
  • the protuberance 20 may have segments aligned at other directions, but aggregate to yield the particular alignment of the entire protuberance 20.
  • Protuberances 20 arranged in a framework having a semicontinuous pattern are to be distinguished from a pattern of discrete protuberances 20, in which any one protuberance 20 does not extend substantially throughout a principal direction of the papermaking belt 10.
  • An example of discrete protuberances 20 is found at Figure 4 of commonly assigned U.S. Patent 4,514,345 issued April 30, 1985 to Johnson, et al.
  • a pattern of semicontinuous protuberances 20 is to be distinguished from protuberances 20 forming an essentially continuous pattern.
  • An essentially continuous pattern extends substantially throughout both the machine direction and cross machine direction of the papermaking belt 10, although not necessarily in a straight line fashion.
  • a pattern may be continuous because the framework forms at least one essentially unbroken net-like pattern. Examples of protuberances 20 forming an essentially continuous pattern is illustrated by Figures 2-3 of the aforementioned U.S. Patent 4,514,345 issued to Johnson, et al or by the aforementioned U.S. Patent 4,528,239 issued to Trokhan.
  • the framework of semicontinuous protuberances 20 is joined to the reinforcing structure 30 and extends outwardly from the paper contacting side 32 thereof in the Z-direction.
  • the protuberances 20 may have straight sidewalls, tapered sidewalls, and be made of any material suitable to withstand the temperatures, pressures, and deformations which occur during the papermaking process.
  • Particularly preferred protuberances 20 are made of photosensitive resins.
  • the photosensitive resin, or other material used to form the pattern of semicontinuous protuberances 20, may be applied and joined to the reinforcing structure 30 in any suitable manner.
  • a particularly preferred manner of attachment and joining is applying liquid photosensitive resin to surround and envelop the reinforcing structure 30, cure the portions of the liquid photosensitive resin which are to form the semicontinuous pattern of the protuberances 20, and wash away the balance of the resin in an uncured state.
  • Suitable processes for manufacturing a papermaking belt 10 in accordance with the present invention are disclosed in the aforementioned U.S. Patent 4,514,345 issued to Johnson, et al., commonly assigned U.S. Patent 4,528,239 issued July 9, 1985 to Trokhan, and the aforementioned U.S. Patent 5,098,522 issued to Smurkoski, et al., each of which patents shows a particularly preferred manner of forming the protuberances 20 and joining the protuberances 20 to the reinforcing structure 30.
  • the pattern of the protuberances 20 is determined by transparencies in a mask through which an activating wave length of light is passed.
  • the activating light cures portions of the photosensitive resin opposite the transparencies.
  • the portions of the photosensitive resin opposite the opaque regions of the mask are washed away, leaving the paper contacting side 32 of the reinforcing surface exposed in such areas.
  • the mask must be formulated with transparent regions having a semicontinuous pattern as described above. Such a mask will form a like pattern of protuberances 20 on the papermaking belt 10.
  • protuberances 20 forming a semicontinuous pattern should have characteristics which produce desired properties of the cellulosic fibrous structures.
  • the geometry of the protuberances 20 significantly influences the properties of the resulting cellulosic fibrous structure made on the secondary belt 10.
  • the protuberances 20 may produce hinge lines in the cellulosic fibrous structure, which hinge lines impart softness or burst strength thereto.
  • the semicontinuous pattern of protuberances 20 will yield a like semicontinuous pattern of high and low density regions in the cellulosic fibrous structure made on this belt 10.
  • Such a pattern in the resulting cellulosic fibrous structure occurs for two reasons.
  • the regions of the cellulosic fibrous structure coincident the semicontinuous deflection conduits 40 will be dedensified by the air flow therethrough or will be dedensified by the application of a vacuum to the deflection conduits 40.
  • the regions of the cellulosic fibrous structure coincident the protuberances 20 will be densified by the transfer of the cellulosic fibrous structure to a rigid backing surface, such as a Yankee drying drum.
  • the geometry of the protuberances 20 may be considered in a single direction, or may be considered in two dimensions, and may be considered as either lying within or normal to the plane of the secondary belt 10 according to the present invention.
  • the Z-direction extent of the protuberances 20 in a single direction normal to the plane of the belt 10 determines the height of the protuberances 20 above the paper contacting surface of the reinforcing structure 30. 'If the height of the protuberances 20 is too great, pinholing and apparent transparencies or light transmission through the cellulosic fibrous structure will occur. Conversely, if the Z-direction dimension of the protuberances 20 is smaller, the resulting cellulosic fibrous structure will have less caliper. As noted above, both pinholing and low caliper are undesirable because they present an apparently lower quality cellulosic fibrous structure to the consumer.
  • the protuberances 20 preferably have a height between 0.05 and 0.64 millimeters (0.002 and 0.025 inches), preferably between 0.13 and 0.38 millimeters (0.005 and 0.015 Inches), and more preferably between 0.20 and 0.26 millimeters (0.008 and 0.010 inches).
  • the spacing between inwardly facing edges of adjacent protuberances 20 must be considered. If, within limits, the spacing is too great for a given Z-direction extent, pinholing is more likely to occur. Also, if the spacing between the inwardly facing edges of adjacent protuberances 20 is too great, another undesired resultant phenomenon may be that fibers will not span the distal ends 46 of adjacent protuberances 20, resulting in a cellulosic fibrous structure having lesser strength than can be obtained if individual fibers span adjacent protuberances 20.
  • the spacing between the inwardly facing edges of adjacent protuberances 20 is too small, the cellulosic fibers will bridge adjacent protuberances 20, and in an extreme case little caliper generation will result. Therefore, the spacing between the inwardly facing surfaces of adjacent protuberances 20 must be optimized to allow sufficient caliper generation to occur and minimize pinholing.
  • the inwardly facing surfaces of adjacent protuberances 20 may be spaced about 0.64 to about 1.40 millimeters apart (0.025 to 0.055 inches) in a direction generally orthogonal to such surfaces. This spacing will result in a cellulosic fibrous structure which generates maximum caliper when made of conventional cellulosic fibers, such as Northern softwood kraft or eucalyptus.
  • a further single dimension analysis relates to the width across the distal edge of the protuberance 20.
  • the width is measured generally normal to the principal dimension of the protuberance 20 within the plane of the belt 10 at a given location. If the protuberance 20 is not wide enough, the protuberance 20 will not withstand the pressures and temperature differentials encountered during and incidental to the papermaking process. Accordingly, such a papermaking belt 10 will have a relatively short life and have to be frequently replaced. If the protuberances 20 are too wide, a more one-sided texture will again result and the cell size, discussed below, must be increased to compensate.
  • the protuberances 20 are typically tapered and may occupy a greater projected surface area at the proximal edge of the protuberance 20.
  • typically the proximal area of the protuberances 20 is about 25 to 75 percent of the belt 10 surface area and the distal area of the protuberances 20 is about 15 to 65 percent of the belt 10 surface area.
  • protuberances 20 having a width at the proximal ends of about 0.3 to 1.3 millimeters (0.011 to 0.050 inches) are suitable.
  • the protuberances 20 may have a width at the distal ends 46 of about 0.13 to 0.64 millimeters (0.005 to 0.025 Inches), and preferably may have a width at the distal ends 46 of about 0.20 to 0.46 millimeters (0.008 to 0.018 inches).
  • protuberances 20 are generally nonintersecting.
  • the protuberances 20, illustrated in Figure 1 are generally parallel (although not necessarily straight) protuberances 20. These protuberances 20 have generally equal spacings in the deflection conduits 40 therebetween.
  • the belt 10 having a semicontinuous pattern of protuberances 20 and semicontinuous pattern of deflection conduits 40 may be used as a forming wire in the wet end of the papermaking machine.
  • a cellulosic fibrous structure having regions of at least two mutually different basis weights will result.
  • the at least two mutually different basis weights in the cellulosic fibrous structure are aligned diagonally to the machine direction and the cross machine direction.

Abstract

A secondary belt for papermaking. The belt has a framework of protuberances arranged in a semicontinuous pattern to provide a semicontinuous pattern of deflection conduits. The semicontinuous pattern is distinguished from the discrete and continuous patterns of the prior art. The protuberances may be generally parallel, or may provide individual cells within the deflection conduits between the protuberances. Also disclosed is the paper made on such a secondary belt. <IMAGE>

Description

    FIELD OF THE INVENTION
  • The present invention relates to a macroscopically monoplanar apparatus, such as a belt, used for making cellulosic fibrous structures, such as paper. Particularly this invention relates to such apparatus used in a through-air drying process for making cellulosic fibrous structures, and more particularly to an apparatus having a particular pattern thereon which imparts properties to the paper in a like pattern.
  • A filter belt for aqueous suspensions according to the preamble of claim 1 is known from FR-A-1 148 810. However, in this belt the protuberances forming a semicontinuous patterned framework run strictly parallel to the cross machine direction.
  • BACKGROUND OF THE INVENTION
  • Cellulosic fibrous structures, such as paper, are well known in the art. For example, cellulosic fibrous structures are a staple of every day life and are found in facial tissues, toilet tissue, and paper toweling.
  • One advancement in the art of cellulosic fibrous structures is cellulosic fibrous structures having multiple regions. A cellulosic fibrous structure is considered to have multiple regions when one region of the cellulosic fibrous structure differs in either basis weight, density, or both from another region of the cellulosic fibrous structure.
  • Multiple regions within a cellulosic fibrous structure can provide several advantages, such as economization of materials, increasing certain desirable properties and decreasing certain undesirable properties. However, the apparatus used to manufacture the multiple region cellulosic fibrous structure will greatly influence these properties.
  • Specifically a secondary belt, or comparable other apparatus, can affect the properties imparted to the cellulosic fibrous structure. As used herein, a "secondary apparatus" or a "secondary belt" refers to an apparatus or a belt, respectively, having an embryonic web contacting surface and which is used to carry or otherwise process an embryonic web of cellulosic fibers after initial formation in the wet end of the papermaking machinery. A secondary belt may include, without limitation, a belt used for molding an embryonic web of the cellulosic fibrous structure, a through-air drying belt, a belt used to transfer the embryonic web to another component in the papermaking machinery, or a backing wire used in the wet end of the papermaking machinery (such as a twin-wire former) for purposes other than initial formation. An apparatus or belt according to the present invention does not include embossing rolls, which deform dry fibers after fiber-to-fiber bonding has taken place. Of course, a cellulosic fibrous structure according to the present invention may be later embossed, or may remain unembossed.
  • As an example of how a secondary belt may input specific properties to a cellulosic fibrous structure, a wet molded and through-air dried cellulosic fibrous structure made on a secondary belt according to Figure 4 of commonly assigned U.S. Patent 4,514,345 issued April 30, 1985 to Johnson, et al. may experience less curling at the edges than a cellulosic fibrous structure made on a secondary belt according to commonly assigned U.S. Patent 4,528,239 issued July 9, 1985 to Trokhan. Conversely, a cellulosic fibrous structure made on a secondary belt according to the aforementioned Trokhan patent may have a greater burst strength than a cellulosic fibrous structure made on a secondary belt according to Figure 4 of the aforementioned Johnson, et al. patent.
  • This difference in performance relative to properties such as absorbency and burst strength may be attributed to the pattern of the drying belt used in wet molding and the through-air drying process to make the respective cellulosic fibrous structures. A cellulosic fibrous structure made on a secondary belt according to Figure 4 of the aforementioned Johnson, et al. patent will have discrete high density regions and essentially continuous low density regions. Conversely, a cellulosic fibrous structure made on a secondary belt according to the aforementioned Trokhan patent will have continuous high density regions and discrete low density regions. This difference in the pattern of the regions influences other properties of the respective cellulosic fibrous structures as well.
  • For example, a cellulosic fibrous structure made on a belt according to the aforementioned Trokhan patent may have a lower cross machine direction modulus of elasticity and may have greater cross machine direction extensibility than a cellulosic fibrous structure made on a belt according to the aforementioned Johnson, et al. patent. However, these properties are typically offset by less sheet shrinkage and edge curling in a cellulosic fibrous structure made on a belt according to the aforementioned Johnson, et al. patent.
  • The caliper of certain cellulosic fibrous structures is closely related to the crepe pattern caused by the impact angle of the doctor blade. The doctor blade is used to remove the cellulosic fibrous structure from the surface of a heated Yankee drying drum and to crepe the cellulosic fibrous structure by foreshortening it in the machine direction. However, maintaining constant material properties (such as machine direction extensibility), which properties are influenced by the doctor blade is difficult. This difficulty is encountered because the doctor blade wears over time. Such wear is rarely constant over time, due to the taper of the blade and the stiffness of the blade changing as a third order power when wear occurs. Furthermore, the wear and changes which occur on one papermaking machine utilizing a particular doctor blade are often totally different than the wear and changes which occur on another papermaking machine using an identical doctor blade.
  • As the doctor blade wears, and the impact angle between the doctor blade and the Yankee drying drum becomes smaller, the cellulosic fibrous structure typically becomes softer, but loses tensile strength. Also, as the impact angle becomes smaller due to wear, the cellulosic fibrous structure may have greater caliper. Conversely, as the impact angle between the doctor blade and the surface of the Yankee drying drum becomes greater, such as occurs when the bevel angle of the doctor blade is increased, the doctor blade will typically wear at a faster rate.
  • But, the situation is even more complicated than described above. Not all secondary belts produce cellulosic fibrous structures which respond alike to changes in the impact angle of the doctor blade. For example, a cellulosic fibrous structure through air dried on a belt made generally in accordance with the teachings of commonly assigned U.S. Patent 3,301,746 issued January 31, 1967 to Sanford, et al. shows an increase in caliper as the doctor blade impact angle is decreased. However, the caliper generated on a cellulosic fibrous structure made on a secondary belt according to the aforementioned Sanford, et al. patent is not as great as the caliper of a like cellulosic fibrous structure made on a secondary belt according to the aforementioned Trokhan patent. But a disadvantage to the aforementioned Trokhan patent is that a cellulosic fibrous structure made thereon does not show a correlation to the doctor blade impact angle. Thus, one skilled in the art is forced to select between greater caliper generation and control of the caliper (and other properties) by adjusting the doctor blade.
  • Furthermore, wear of the doctor blade and the associated changes in impact angle cause different effects in cellulosie fibrous structures, which effects depend upon the pattern of the protuberances in the secondary belt. A cellulosic fibrous structure made on a belt having discrete protuberances will increase in caliper as the doctor blade wears, if the blade impact angle is not adjusted to compensate. Conversely, a cellulosic fibrous structure made on a secondary belt having a continuous pattern of protuberances is less sensitive to such wear.
  • It is not surprising that considerable effort has-been expended in the prior art to achieve constant material properties by adjusting the impact angle of the doctor blades. In one example, illustrated by commonly assigned U.S. Patent 4,919,756 issued April 24, 1990 to Sawdai, the doctor blade is continually adjusted to minimize the effects of doctor blade wear on the material properties of the cellulosic fibrous structure.
  • However, adjusting the doctor blade requires more equipment, associated maintenance, and set-up time for the papermaking machinery than machinery which simply tolerates changes in the doctor blade impact angle. While, of course, it is desirable to produce paper having certain consumer desired properties, the art clearly shows a need for greater flexibility in the manufacturing process, and particularly a way to achieve greater flexibility by not having to adjust the doctor blade impact angle using complex machinery.
  • More importantly, the prior art shows a need for a secondary belt which generates relatively high caliper yet responds to changes in the impact angle of the doctor blade with like changes in the caliper of the cellulosic fibrous structures dried thereon.
  • As noted above, one way to achieve greater caliper is by adjusting the doctor blade. Another way to increase the caliper of a cellulosic fibrous structure having multiple regions is to increase its basis weight. However, this arrangement also increases the basis weight of other regions in which it may not be desirable to do so, requires greater utilization of fibers, and increases the cost to the consumer.
  • With the present invention, a way has been found to decouple the relationship between the Z-direction extent of the protuberances and the caliper of the cellulosic fibrous structure. Furthermore, other properties of the cellulosic fibrous structure may benefit from having been made on a secondary belt according to the present invention.
  • For example, another problem frequently encountered with cellulosic fibrous structures which try to minimize fiber utilization and present less expense to the consumer is pinholing. Pinholing occurs when regions of the cellulosic fibrous structure are deflected into the deflection conduits of the secondary belts and break through, so that an opening is present and light passes through the opening. Pinholing and transmission of light therethrough present a cellulosic fibrous structure having a less durable and lower quality appearance to the consumer, and is accordingly undesirable to the consumer.
  • One cause of pinholing in a cellulosic fibrous structure made on a belt according to the aforementioned Trokhan patent is caliper generation resulting from protuberances which are too great in the Z-direction. By generating caliper in this manner, Z-direction deflection of the cellulosic fibrous structure occurs to an extent that pinholing results. Thus, one using the aforementioned Trokhan belt is forced to select between caliper generation and reduced pinholing.
  • Other problems found in cellulosic fibrous structures made on a belt according to the aforementioned Trokhan belt of the prior art are cross machine direction shrinkage and curling of the edges of the cellulosic fibrous structure. Such shrinkage and curling are caused by structural movement during machine direction tensioning, such as inevitably occurs during winding and converting. Shrinkage requires a wider cellulosic fibrous structure for manufacture. Edge curling may cause fold over, leading to breakage of the web during manufacture. Both cause greater expense in the manufacturing process.
  • Unfortunately, the amount of shrinkage is also closely related to the amount of cross machine direction extensibility the cellulosic fibrous structure will undergo before rupture. While relatively greater cross machine direction extensibility is highly desired, due to allowing the cellulosic fibrous structure to elastically deform without tearing or shredding in use, the penalty for such desired cross machine direction extensibility is paid for at the time of manufacture by encountering greater cross machine direction shrinkage and curling.
  • Accordingly, it is an object of this invention to provide a secondary apparatus or belt which reduces occurrences of pinholing and shrinkage and curling of cellulosic fibrous structures during manufacture. It is an object of this invention to provide a secondary apparatus or belt which reduces occurrences of pinholing without requiring a corresponding reduction in the caliper of the cellulosic fibrous structure manufactured thereon. Furthermore, it is an object of the present invention to provide greater control over the caliper of the cellulosic fibrous structure with the impact angle of the doctor blade.
  • BRIEF SUMMARY OF THE INVENTION
  • The invention comprises a macroscopically monoplanar apparatus used in manufacturing a cellulosic fibrous structure and having two mutually orthogonal principal directions, namely a machine direction and a cross machine direction, said apparatus comprising a reinforcing structure and a semicontinuous patterned framework of protuberances joined to the reinforcing structure and extending outwardly therefrom to define deflection conduits between said protuberances.
  • Now the invention - according to claim 1 - is characterised in that semicontinuous patterned framework of protuberances (20) forms a parallel pattern running diagonally relative to the machine and cross machine directions.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • While the Specification concludes with claims particularly pointing out and distinctly claiming the present invention, it is believed the same will be better understood by the following Specification taken in conjunction with the associated drawings in which like components are given the same reference numeral, and:
  • Figure 1
    is a top plan view of a secondary belt according to the present invention having parallel protuberances with parallel deflection conduits therebetween, the protuberances and deflection conduits being oriented at a diagonal relative to the machine direction and the cross machine direction; and
    Figure 2
    is a vertical sectional view taken along lines 2-2 of Figure 1.
    DETAILED DESCRIPTION OF THE INVENTION
  • The invention comprises an apparatus for manufacturing a cellulosic fibrous structure. The apparatus according to the present invention may be embodied in a variety of forms, such as rotating drums for continuous processing and preferably endless belts 10 for ordinary papermaking machinery as illustrated in Figure 1. Although these, and other,-embodiments of the present invention are suitable, except as noted below, the preferred embodiment of the endless belt 10 is the embodiment discussed below with the understanding that other embodiments may be readily carried out by one skilled in the art.
  • The preferred endless belt 10 embodiment of an apparatus according to the present invention comprises two primary elements: a patterned framework of protuberances 20 and a reinforcing structure 30. The reinforcing structure 30 of the belt 10 has two opposed major surfaces. One major surface is the paper contacting side 32 and from which the protuberances 20 extend. The other major surface of the reinforcing structure 30 of the papermaking belt 10 is the backside 34, which contacts the machinery employed in a typical papermaking operation. Machinery employed in a typical papermaking operation include vacuum pickup shoes, rollers, etc., as are well known in the art and will not be further discussed herein.
  • Generally, for a belt 10 according to the present invention, the "machine direction" of the belt 10 is the direction within the plane of the belt 10 parallel to the principal direction of travel of the cellulosic fibrous structure during manufacture. The machine direction is designated by arrows "MD" in Figure 1. The cross machine direction is generally orthogonal the machine direction and also lies within the plane of the belt 10. The Z-direction is orthogonal both the machine direction and cross machine direction and generally normal to the plane of the belt 10 at any position in the papermaking process. The machine direction, cross machine direction, and Z-direction form a Cartesian coordinate system.
  • The belt 10 according to the present invention is essentially macroscopically monoplanar. As used herein a component is "macroscopically monoplanar" if such component has two very large dimensions in comparison to a relatively small third dimension. The belt 10 is essentially macroscopically monoplanar in recognition that deviations from absolute planarity are tolerable, but not preferred, so long as the deviations do not adversely affect the performance of the papermaking belt 10 in making cellulosic fibrous structures thereon.
  • In a rotating drum embodiment of the present invention (not shown), the reinforcing structure 30 may comprise a generally cylindrical shell having a plurality of holes therethrough. In a papermaking belt 10 embodiment, the reinforcing structure 30 comprises a series of filaments, preferably woven in a rectangular pattern to define interstices therebetween. The interstices allow fluids, such as drying air, to pass through the belt 10 according to the present invention. The interstices form one of the groups of openings in the papermaking belt 10 according to the present invention, which openings are preferably smaller than those defined by the pattern of the framework.
  • If desired, the reinforcing structure 30 may have vertically stacked machine direction filaments to provide increased stability and load bearing capability. By vertically stacking the machine direction filaments of the reinforcing structure 30, the overall durability and performance of a belt 10 according to the present invention is enhanced.
  • The reinforcing structure 30 should not present significant obstruction to the flow of fluids, such as drying air therethrough and, therefore, should be highly permeable. The permeability of the reinforcing structure 30 may be measured by the airflow therethrough at a differential pressure of about 127,5 Pa (1.3 centimeters of water or 0.5 inches of water). A preferred reinforcing structure 30 having no framework of protuberances 20 attached thereto should have a permeability at this differential pressure of about 240 to 490 standard cubic meters per minute per square meter of belt 10 area (800 to 1,600 standard cubic feet per minute per square foot). Of course, it will be apparent that the permeability of the belt 10 will be reduced when the framework of protuberances 20 is attached to the reinforcing structure 30. A belt 10 having a framework of protuberances 20 preferably has an air permeability of about 90 to 180 standard cubic meters per minute per square meter (300 to 600 standard cubic feet per minute per square foot).
  • In an alternative embodiment, the reinforcing structure 30 of a belt 10 according to the present invention may have a textured backside 34. The textured backside 34 has a surface topography with asperities to prevent the buildup of papermaking fibers on the backside 34 of the belt 10, reduces the differential pressure across the belt 10 as vacuum is applied thereto during the papermaking process, and increases the rise time of the differential pressure prior to the maximum differential pressure occurring.
  • A particularly preferred reinforcing structure 30 for use with the present invention may be made in accordance with the teachings of commonly assigned U.S. Patent 5,098,522 issued March 24, 1992 to Smurkoski, et al. which patent shows how to make a particularly preferred reinforcing structure 30 suitable for use with a papermaking belt 10 in accordance with the present Invention and showing a process for making cellulosic fibrous structures using such a papermaking belt 10.
  • The other primary component of the papermaking belt 10 according to the present invention is the patterned framework of protuberances 20. The protuberances 20 define deflection conduits 40 therebetween. The deflection conduits 40 allow water to be removed from the cellulosic fibrous structure by the application of differential fluid pressure, by evaporative mechanisms, or both when drying air passes through the cellulosic fibrous structure while on the papermaking belt 10 or a vacuum is applied through the belt 10. The deflection conduits 40 allow the cellulosic fibrous structure to deflect in the Z-direction and generate the caliper of and aesthetic patterns on the resulting cellulosic fibrous structure.
  • The protuberances 20 are arranged in a semicontinuous pattern. As used herein, a pattern of protuberances 20 is considered to be "semicontinuous" if a plurality of the protuberances 20 extends substantially throughout one dimension of the apparatus, and each protuberance 20 in the plurality is spaced apart from adjacent protuberances 20.
  • The protuberances 20 in the semicontinuous pattern are generally parallel as illustrated in Figure 1 and run diagonally relative to the machine and cross machine directions. Of course, the direction of the protuberance 20 alignment discussed above refers to the principal alignment of the protuberances 20. Within each alignment, the protuberance 20 may have segments aligned at other directions, but aggregate to yield the particular alignment of the entire protuberance 20.
  • Protuberances 20 arranged in a framework having a semicontinuous pattern are to be distinguished from a pattern of discrete protuberances 20, in which any one protuberance 20 does not extend substantially throughout a principal direction of the papermaking belt 10. An example of discrete protuberances 20 is found at Figure 4 of commonly assigned U.S. Patent 4,514,345 issued April 30, 1985 to Johnson, et al.
  • Similarly, a pattern of semicontinuous protuberances 20 is to be distinguished from protuberances 20 forming an essentially continuous pattern. An essentially continuous pattern extends substantially throughout both the machine direction and cross machine direction of the papermaking belt 10, although not necessarily in a straight line fashion. Alternatively, a pattern may be continuous because the framework forms at least one essentially unbroken net-like pattern. Examples of protuberances 20 forming an essentially continuous pattern is illustrated by Figures 2-3 of the aforementioned U.S. Patent 4,514,345 issued to Johnson, et al or by the aforementioned U.S. Patent 4,528,239 issued to Trokhan.
  • As illustrated in Figure 2, the framework of semicontinuous protuberances 20 according to the present invention is joined to the reinforcing structure 30 and extends outwardly from the paper contacting side 32 thereof in the Z-direction. The protuberances 20 may have straight sidewalls, tapered sidewalls, and be made of any material suitable to withstand the temperatures, pressures, and deformations which occur during the papermaking process. Particularly preferred protuberances 20 are made of photosensitive resins.
  • The photosensitive resin, or other material used to form the pattern of semicontinuous protuberances 20, may be applied and joined to the reinforcing structure 30 in any suitable manner. A particularly preferred manner of attachment and joining is applying liquid photosensitive resin to surround and envelop the reinforcing structure 30, cure the portions of the liquid photosensitive resin which are to form the semicontinuous pattern of the protuberances 20, and wash away the balance of the resin in an uncured state. Suitable processes for manufacturing a papermaking belt 10 in accordance with the present invention are disclosed in the aforementioned U.S. Patent 4,514,345 issued to Johnson, et al., commonly assigned U.S. Patent 4,528,239 issued July 9, 1985 to Trokhan, and the aforementioned U.S. Patent 5,098,522 issued to Smurkoski, et al., each of which patents shows a particularly preferred manner of forming the protuberances 20 and joining the protuberances 20 to the reinforcing structure 30.
  • As is evident from a reading of any of the three aforementioned patents, the pattern of the protuberances 20 is determined by transparencies in a mask through which an activating wave length of light is passed. The activating light cures portions of the photosensitive resin opposite the transparencies. Conversely, the portions of the photosensitive resin opposite the opaque regions of the mask are washed away, leaving the paper contacting side 32 of the reinforcing surface exposed in such areas.
  • Thus, to form a particularly preferred embodiment of a papermaking belt 10 according to the present invention, the mask must be formulated with transparent regions having a semicontinuous pattern as described above. Such a mask will form a like pattern of protuberances 20 on the papermaking belt 10.
  • For the embodiment described herein, protuberances 20 forming a semicontinuous pattern should have characteristics which produce desired properties of the cellulosic fibrous structures. The geometry of the protuberances 20 significantly influences the properties of the resulting cellulosic fibrous structure made on the secondary belt 10. For example, the protuberances 20 may produce hinge lines in the cellulosic fibrous structure, which hinge lines impart softness or burst strength thereto.
  • Furthermore, the semicontinuous pattern of protuberances 20 will yield a like semicontinuous pattern of high and low density regions in the cellulosic fibrous structure made on this belt 10. Such a pattern in the resulting cellulosic fibrous structure occurs for two reasons. First, the regions of the cellulosic fibrous structure coincident the semicontinuous deflection conduits 40 will be dedensified by the air flow therethrough or will be dedensified by the application of a vacuum to the deflection conduits 40. Preferably, the regions of the cellulosic fibrous structure coincident the protuberances 20 will be densified by the transfer of the cellulosic fibrous structure to a rigid backing surface, such as a Yankee drying drum.
  • The geometry of the protuberances 20 may be considered in a single direction, or may be considered in two dimensions, and may be considered as either lying within or normal to the plane of the secondary belt 10 according to the present invention.
  • Particularly, the Z-direction extent of the protuberances 20 in a single direction normal to the plane of the belt 10 determines the height of the protuberances 20 above the paper contacting surface of the reinforcing structure 30. 'If the height of the protuberances 20 is too great, pinholing and apparent transparencies or light transmission through the cellulosic fibrous structure will occur. Conversely, if the Z-direction dimension of the protuberances 20 is smaller, the resulting cellulosic fibrous structure will have less caliper. As noted above, both pinholing and low caliper are undesirable because they present an apparently lower quality cellulosic fibrous structure to the consumer.
  • For the embodiments described herein, the protuberances 20 preferably have a height between 0.05 and 0.64 millimeters (0.002 and 0.025 inches), preferably between 0.13 and 0.38 millimeters (0.005 and 0.015 Inches), and more preferably between 0.20 and 0.26 millimeters (0.008 and 0.010 inches).
  • Referring back to Figure 1 and continuing the single direction analysis, the spacing between inwardly facing edges of adjacent protuberances 20 must be considered. If, within limits, the spacing is too great for a given Z-direction extent, pinholing is more likely to occur. Also, if the spacing between the inwardly facing edges of adjacent protuberances 20 is too great, another undesired resultant phenomenon may be that fibers will not span the distal ends 46 of adjacent protuberances 20, resulting in a cellulosic fibrous structure having lesser strength than can be obtained if individual fibers span adjacent protuberances 20. Conversely, if the spacing between the inwardly facing edges of adjacent protuberances 20 is too small, the cellulosic fibers will bridge adjacent protuberances 20, and in an extreme case little caliper generation will result. Therefore, the spacing between the inwardly facing surfaces of adjacent protuberances 20 must be optimized to allow sufficient caliper generation to occur and minimize pinholing.
  • For the embodiments described herein, the inwardly facing surfaces of adjacent protuberances 20 may be spaced about 0.64 to about 1.40 millimeters apart (0.025 to 0.055 inches) in a direction generally orthogonal to such surfaces. This spacing will result in a cellulosic fibrous structure which generates maximum caliper when made of conventional cellulosic fibers, such as Northern softwood kraft or eucalyptus.
  • A further single dimension analysis relates to the width across the distal edge of the protuberance 20. The width is measured generally normal to the principal dimension of the protuberance 20 within the plane of the belt 10 at a given location. If the protuberance 20 is not wide enough, the protuberance 20 will not withstand the pressures and temperature differentials encountered during and incidental to the papermaking process. Accordingly, such a papermaking belt 10 will have a relatively short life and have to be frequently replaced. If the protuberances 20 are too wide, a more one-sided texture will again result and the cell size, discussed below, must be increased to compensate.
  • Of course, it is to be recognized' that the protuberances 20 are typically tapered and may occupy a greater projected surface area at the proximal edge of the protuberance 20. For the embodiments described herein, typically the proximal area of the protuberances 20 is about 25 to 75 percent of the belt 10 surface area and the distal area of the protuberances 20 is about 15 to 65 percent of the belt 10 surface area.
  • Generally, for the embodiment described herein, protuberances 20 having a width at the proximal ends of about 0.3 to 1.3 millimeters (0.011 to 0.050 inches) are suitable. The protuberances 20 may have a width at the distal ends 46 of about 0.13 to 0.64 millimeters (0.005 to 0.025 Inches), and preferably may have a width at the distal ends 46 of about 0.20 to 0.46 millimeters (0.008 to 0.018 inches).
  • All of the protuberances 20 are generally nonintersecting. The protuberances 20, illustrated in Figure 1, are generally parallel (although not necessarily straight) protuberances 20. These protuberances 20 have generally equal spacings in the deflection conduits 40 therebetween.
  • In an alternative embodiment of the invention, the belt 10 having a semicontinuous pattern of protuberances 20 and semicontinuous pattern of deflection conduits 40 may be used as a forming wire in the wet end of the papermaking machine. When such a belt 10 is used as a forming wire in the papermaking machine, a cellulosic fibrous structure having regions of at least two mutually different basis weights will result. The at least two mutually different basis weights in the cellulosic fibrous structure are aligned diagonally to the machine direction and the cross machine direction.
  • It is recognized that many variations and combinations of patterns, protuberance 20 sizes, and spacings may be made within the scope of the present invention. All such variations are within the scope of the following claims.

Claims (3)

  1. A macroscopically monoplanar apparatus used in manufacturing a cellulosic fibrous structure and having two mutually orthogonal principal directions, namely a machine direction (MD) and a cross machine direction (CD), said apparatus comprising a reinforcing structure (30) and a semicontinuous patterned framework of protuberances (20) joined to the reinforcing structure (30) and extending outwardly therefrom to define deflection conduits (40) between said protuberances (20), characterised in that semicontinuous patterned framework of protuberances (20) forms a parallel pattern running diagonally relative to the machine and cross machine directions.
  2. An apparatus according to claim 1 characterised in that the framework of protuberances (20) comprises photosensitive resin.
  3. An apparatus according to either of claims 1 or 2 characterised in that the protuberances (20) span the entire cross machine direction of the apparatus (10).
EP98103179A 1992-08-26 1993-08-16 Papermaking apparatus having semicontinuous pattern Expired - Lifetime EP0851060B1 (en)

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US93695492A 1992-08-26 1992-08-26
US936954 1992-08-26
EP93920035A EP0656968B1 (en) 1992-08-26 1993-08-16 Papermaking belt having semicontinuous pattern and paper made thereon

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Families Citing this family (262)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5861082A (en) * 1993-12-20 1999-01-19 The Procter & Gamble Company Wet pressed paper web and method of making the same
US5795440A (en) * 1993-12-20 1998-08-18 The Procter & Gamble Company Method of making wet pressed tissue paper
CZ183596A3 (en) * 1993-12-20 1996-11-13 Procter & Gamble Wet pressed paper structure and process for producing thereof
US5904811A (en) * 1993-12-20 1999-05-18 The Procter & Gamble Company Wet pressed paper web and method of making the same
US5556509A (en) * 1994-06-29 1996-09-17 The Procter & Gamble Company Paper structures having at least three regions including a transition region interconnecting relatively thinner regions disposed at different elevations, and apparatus and process for making the same
US5549790A (en) * 1994-06-29 1996-08-27 The Procter & Gamble Company Multi-region paper structures having a transition region interconnecting relatively thinner regions disposed at different elevations, and apparatus and process for making the same
US5871887A (en) * 1994-06-29 1999-02-16 The Procter & Gamble Company Web patterning apparatus comprising a felt layer and a photosensitive resin layer
BR9508192A (en) * 1994-06-29 1997-08-12 Procter & Gamble Apparatus for use in the manufacture of a fiber texture of making paper paper structure and process for forming a paper texture
US6010598A (en) * 1997-05-08 2000-01-04 The Procter & Gamble Company Papermaking belt with improved life
US5830316A (en) * 1997-05-16 1998-11-03 The Procter & Gamble Company Method of wet pressing tissue paper with three felt layers
US5906710A (en) * 1997-06-23 1999-05-25 The Procter & Gamble Company Paper having penninsular segments
US5827384A (en) * 1997-07-18 1998-10-27 The Procter & Gamble Company Process for bonding webs
US5914177A (en) * 1997-08-11 1999-06-22 The Procter & Gamble Company Wipes having a substrate with a discontinuous pattern of a high internal phase inverse emulsion disposed thereon and process of making
US6039839A (en) * 1998-02-03 2000-03-21 The Procter & Gamble Company Method for making paper structures having a decorative pattern
US6547924B2 (en) 1998-03-20 2003-04-15 Metso Paper Karlstad Ab Paper machine for and method of manufacturing textured soft paper
SE511736C2 (en) * 1998-03-20 1999-11-15 Nordiskafilt Ab Albany Embossing ribbon for a paper machine
US6103067A (en) 1998-04-07 2000-08-15 The Procter & Gamble Company Papermaking belt providing improved drying efficiency for cellulosic fibrous structures
US7265067B1 (en) 1998-06-19 2007-09-04 The Procter & Gamble Company Apparatus for making structured paper
US6110324A (en) * 1998-06-25 2000-08-29 The Procter & Gamble Company Papermaking belt having reinforcing piles
US7935409B2 (en) * 1998-08-06 2011-05-03 Kimberly-Clark Worldwide, Inc. Tissue sheets having improved properties
TW580530B (en) * 1998-08-06 2004-03-21 Kimberly Clark Co Roll of tissue sheets having improved properties
ZA200007449B (en) 1998-08-06 2001-06-14 Kimberly Clark Co Rolls of tissue sheets having improved properties.
US6099781A (en) * 1998-08-14 2000-08-08 The Procter & Gamble Company Papermaking belt and process and apparatus for making same
US6149849A (en) * 1998-08-14 2000-11-21 The Procter & Gamble Copmany Process and apparatus for making papermaking belt
DE19837182B4 (en) * 1998-08-17 2007-01-25 Stahlecker, Fritz Conveyor belt for transporting a fiber strand to be compacted
US6251331B1 (en) 1998-09-09 2001-06-26 The Procter & Gamble Company Process and apparatus for making papermaking belt using fluid pressure differential
US6103062A (en) * 1998-10-01 2000-08-15 The Procter & Gamble Company Method of wet pressing tissue paper
US6554963B1 (en) * 1998-11-02 2003-04-29 Albany International Corp. Embossed fabrics and method of making the same
US6270878B1 (en) 1999-05-27 2001-08-07 The Procter & Gamble Company Wipes having a substrate with a discontinous pattern of a high internal phase inverse emulsion disposed thereon and process of making
US6344241B1 (en) * 1999-06-07 2002-02-05 The Procter & Gamble Company Process and apparatus for making papermaking belt using extrusion
US6358594B1 (en) 1999-06-07 2002-03-19 The Procter & Gamble Company Papermaking belt
US6501002B1 (en) 1999-06-29 2002-12-31 The Proctor & Gamble Company Disposable surface wipe article having a waste contamination sensor
US6117270A (en) * 1999-07-01 2000-09-12 The Procter & Gamble Company Papermaking belts having a patterned framework with synclines therein and paper made therewith
US6602387B1 (en) 1999-11-26 2003-08-05 The Procter & Gamble Company Thick and smooth multi-ply tissue
US6478927B1 (en) 2000-08-17 2002-11-12 Kimberly-Clark Worldwide, Inc. Method of forming a tissue with surfaces having elevated regions
US6464829B1 (en) 2000-08-17 2002-10-15 Kimberly-Clark Worldwide, Inc. Tissue with surfaces having elevated regions
US6576090B1 (en) 2000-10-24 2003-06-10 The Procter & Gamble Company Deflection member having suspended portions and process for making same
US6743571B1 (en) * 2000-10-24 2004-06-01 The Procter & Gamble Company Mask for differential curing and process for making same
US6660129B1 (en) * 2000-10-24 2003-12-09 The Procter & Gamble Company Fibrous structure having increased surface area
US6420100B1 (en) 2000-10-24 2002-07-16 The Procter & Gamble Company Process for making deflection member using three-dimensional mask
US6576091B1 (en) 2000-10-24 2003-06-10 The Procter & Gamble Company Multi-layer deflection member and process for making same
US6989075B1 (en) * 2000-11-03 2006-01-24 The Procter & Gamble Company Tension activatable substrate
US6610173B1 (en) 2000-11-03 2003-08-26 Kimberly-Clark Worldwide, Inc. Three-dimensional tissue and methods for making the same
US6749721B2 (en) * 2000-12-22 2004-06-15 Kimberly-Clark Worldwide, Inc. Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US20030042195A1 (en) * 2001-09-04 2003-03-06 Lois Jean Forde-Kohler Multi-ply filter
US6790796B2 (en) 2001-10-05 2004-09-14 Albany International Corp. Nonwovens forming or conveying fabrics with enhanced surface roughness and texture
US6821385B2 (en) 2001-11-02 2004-11-23 Kimberly-Clark Worldwide, Inc. Method of manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements using fabrics comprising nonwoven elements
US6787000B2 (en) 2001-11-02 2004-09-07 Kimberly-Clark Worldwide, Inc. Fabric comprising nonwoven elements for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements and method thereof
US6790314B2 (en) 2001-11-02 2004-09-14 Kimberly-Clark Worldwide, Inc. Fabric for use in the manufacture of tissue products having visually discernable background texture regions bordered by curvilinear decorative elements and method thereof
US6746570B2 (en) * 2001-11-02 2004-06-08 Kimberly-Clark Worldwide, Inc. Absorbent tissue products having visually discernable background texture
US6749719B2 (en) * 2001-11-02 2004-06-15 Kimberly-Clark Worldwide, Inc. Method of manufacture tissue products having visually discernable background texture regions bordered by curvilinear decorative elements
US6837956B2 (en) * 2001-11-30 2005-01-04 Kimberly-Clark Worldwide, Inc. System for aperturing and coaperturing webs and web assemblies
US6832546B2 (en) * 2001-12-18 2004-12-21 Sca Hygiene Products Gmbh Embossing device
US6824650B2 (en) * 2001-12-18 2004-11-30 Kimberly-Clark Worldwide, Inc. Fibrous materials treated with a polyvinylamine polymer
US7214633B2 (en) * 2001-12-18 2007-05-08 Kimberly-Clark Worldwide, Inc. Polyvinylamine treatments to improve dyeing of cellulosic materials
US7799968B2 (en) 2001-12-21 2010-09-21 Kimberly-Clark Worldwide, Inc. Sponge-like pad comprising paper layers and method of manufacture
US20030157000A1 (en) * 2002-02-15 2003-08-21 Kimberly-Clark Worldwide, Inc. Fluidized bed activated by excimer plasma and materials produced therefrom
ATE298817T1 (en) * 2002-04-25 2005-07-15 Heimbach Gmbh Thomas Josef DRY SCREEN AND METHOD FOR THE PRODUCTION THEREOF
PT1357223E (en) * 2002-04-25 2006-09-29 Heimbach Gmbh Thomas Josef CLUTCH OF PAPER MACHINERY AND PROCESS FOR THEIR MANUFACTURE
US6911114B2 (en) * 2002-10-01 2005-06-28 Kimberly-Clark Worldwide, Inc. Tissue with semi-synthetic cationic polymer
US7128810B2 (en) 2002-10-10 2006-10-31 Albany International Corp. Anti-rewet press fabric
US7128809B2 (en) * 2002-11-05 2006-10-31 The Procter & Gamble Company High caliper web and web-making belt for producing the same
US20040084162A1 (en) 2002-11-06 2004-05-06 Shannon Thomas Gerard Low slough tissue products and method for making same
US6951598B2 (en) * 2002-11-06 2005-10-04 Kimberly-Clark Worldwide, Inc. Hydrophobically modified cationic acrylate copolymer/polysiloxane blends and use in tissue
US6818101B2 (en) * 2002-11-22 2004-11-16 The Procter & Gamble Company Tissue web product having both fugitive wet strength and a fiber flexibilizing compound
US20040115451A1 (en) * 2002-12-09 2004-06-17 Kimberly-Clark Worldwide, Inc. Yellowing prevention of cellulose-based consumer products
US20040110017A1 (en) * 2002-12-09 2004-06-10 Lonsky Werner Franz Wilhelm Yellowing prevention of cellulose-based consumer products
US7994079B2 (en) * 2002-12-17 2011-08-09 Kimberly-Clark Worldwide, Inc. Meltblown scrubbing product
US20040111817A1 (en) * 2002-12-17 2004-06-17 Kimberly-Clark Worldwide, Inc. Disposable scrubbing product
US6949167B2 (en) * 2002-12-19 2005-09-27 Kimberly-Clark Worldwide, Inc. Tissue products having uniformly deposited hydrophobic additives and controlled wettability
US6875315B2 (en) 2002-12-19 2005-04-05 Kimberly-Clark Worldwide, Inc. Non-woven through air dryer and transfer fabrics for tissue making
US6878238B2 (en) * 2002-12-19 2005-04-12 Kimberly-Clark Worldwide, Inc. Non-woven through air dryer and transfer fabrics for tissue making
US6994770B2 (en) * 2002-12-20 2006-02-07 Kimberly-Clark Worldwide, Inc. Strength additives for tissue products
US6896766B2 (en) * 2002-12-20 2005-05-24 Kimberly-Clark Worldwide, Inc. Paper wiping products treated with a hydrophobic additive
US7147751B2 (en) * 2002-12-20 2006-12-12 Kimberly-Clark Worldwide, Inc. Wiping products having a low coefficient of friction in the wet state and process for producing same
US7169265B1 (en) * 2002-12-31 2007-01-30 Albany International Corp. Method for manufacturing resin-impregnated endless belt and a belt for papermaking machines and similar industrial applications
US6916402B2 (en) * 2002-12-23 2005-07-12 Kimberly-Clark Worldwide, Inc. Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof
US7005043B2 (en) * 2002-12-31 2006-02-28 Albany International Corp. Method of fabrication of a dryer fabric and a dryer fabric with backside venting for improved sheet stability
US7008513B2 (en) * 2002-12-31 2006-03-07 Albany International Corp. Method of making a papermaking roll cover and roll cover produced thereby
US7022208B2 (en) * 2002-12-31 2006-04-04 Albany International Corp. Methods for bonding structural elements of paper machine and industrial fabrics to one another and fabrics produced thereby
US7005044B2 (en) * 2002-12-31 2006-02-28 Albany International Corp. Method of fabricating a belt and a belt used to make bulk tissue and towel, and nonwoven articles and fabrics
US7919173B2 (en) * 2002-12-31 2011-04-05 Albany International Corp. Method for controlling a functional property of an industrial fabric and industrial fabric
US7166196B1 (en) * 2002-12-31 2007-01-23 Albany International Corp. Method for manufacturing resin-impregnated endless belt structures for papermaking machines and similar industrial applications and belt
US7014735B2 (en) * 2002-12-31 2006-03-21 Albany International Corp. Method of fabricating a belt and a belt used to make bulk tissue and towel, and nonwoven articles and fabrics
US20040163785A1 (en) * 2003-02-20 2004-08-26 Shannon Thomas Gerard Paper wiping products treated with a polysiloxane composition
US7396593B2 (en) 2003-05-19 2008-07-08 Kimberly-Clark Worldwide, Inc. Single ply tissue products surface treated with a softening agent
US8241543B2 (en) 2003-08-07 2012-08-14 The Procter & Gamble Company Method and apparatus for making an apertured web
US7141142B2 (en) * 2003-09-26 2006-11-28 Kimberly-Clark Worldwide, Inc. Method of making paper using reformable fabrics
US7186318B2 (en) * 2003-12-19 2007-03-06 Kimberly-Clark Worldwide, Inc. Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent properties
US7811948B2 (en) * 2003-12-19 2010-10-12 Kimberly-Clark Worldwide, Inc. Tissue sheets containing multiple polysiloxanes and having regions of varying hydrophobicity
US7147752B2 (en) 2003-12-19 2006-12-12 Kimberly-Clark Worldwide, Inc. Hydrophilic fibers containing substantive polysiloxanes and tissue products made therefrom
US7479578B2 (en) * 2003-12-19 2009-01-20 Kimberly-Clark Worldwide, Inc. Highly wettable—highly flexible fluff fibers and disposable absorbent products made of those
US20050136772A1 (en) * 2003-12-23 2005-06-23 Kimberly-Clark Worldwide, Inc. Composite structures containing tissue webs and other nonwovens
US20050186397A1 (en) * 2004-02-19 2005-08-25 The Procter & Gamble Company Fibrous structures with improved softness
US7377995B2 (en) * 2004-05-12 2008-05-27 Kimberly-Clark Worldwide, Inc. Soft durable tissue
US20060069370A1 (en) * 2004-09-30 2006-03-30 Kimberly-Clark Worldwide, Inc. Absorbent article having a liner with areas that prevent lotion and adhesive migration
US20060088696A1 (en) * 2004-10-25 2006-04-27 The Procter & Gamble Company Reinforced fibrous structures
US20060093788A1 (en) * 2004-10-29 2006-05-04 Kimberly-Clark Worldwide, Inc. Disposable food preparation mats, cutting sheets, placemats, and the like
US20060135026A1 (en) * 2004-12-22 2006-06-22 Kimberly-Clark Worldwide, Inc. Composite cleaning products having shape resilient layer
US7676088B2 (en) * 2004-12-23 2010-03-09 Asml Netherlands B.V. Imprint lithography
US7670459B2 (en) * 2004-12-29 2010-03-02 Kimberly-Clark Worldwide, Inc. Soft and durable tissue products containing a softening agent
US8911850B2 (en) * 2005-06-08 2014-12-16 The Procter & Gamble Company Amorphous patterns comprising elongate protrusions for use with web materials
US7374639B2 (en) * 2005-06-08 2008-05-20 The Procter & Gamble Company Papermaking belt
US7694433B2 (en) 2005-06-08 2010-04-13 The Procter & Gamble Company Web handling apparatus and process for providing steam to a web material
US7829177B2 (en) * 2005-06-08 2010-11-09 The Procter & Gamble Company Web materials having offset emboss patterns disposed thereon
US20070048357A1 (en) * 2005-08-31 2007-03-01 Kimberly-Clark Worldwide, Inc. Fibrous wiping products
US7749355B2 (en) * 2005-09-16 2010-07-06 The Procter & Gamble Company Tissue paper
US20070093157A1 (en) * 2005-10-20 2007-04-26 Kimberly-Clark Worldwide, Inc. High speed, pressure bonded, thin sheet laminate
US20070116928A1 (en) * 2005-11-22 2007-05-24 Jean-Louis Monnerie Sheet slitting forming belt for nonwoven products
US8778386B2 (en) * 2005-12-13 2014-07-15 Kimberly-Clark Worldwide, Inc. Anti-microbial substrates with peroxide treatment
US7883604B2 (en) * 2005-12-15 2011-02-08 Kimberly-Clark Worldwide, Inc. Creping process and products made therefrom
US7837832B2 (en) 2005-12-15 2010-11-23 Dow Global Technologies, Inc. Additive compositions for treating various base sheets
US7837831B2 (en) * 2005-12-15 2010-11-23 Kimberly-Clark Worldwide, Inc. Tissue products containing a polymer dispersion
US8444811B2 (en) 2005-12-15 2013-05-21 Kimberly-Clark Worldwide, Inc. Process for increasing the basis weight of sheet materials
US7842163B2 (en) * 2005-12-15 2010-11-30 Kimberly-Clark Worldwide, Inc. Embossed tissue products
US7820010B2 (en) * 2005-12-15 2010-10-26 Kimberly-Clark Worldwide, Inc. Treated tissue products having increased strength
BRPI0620686B1 (en) * 2005-12-15 2018-01-16 Dow Global Technologies Inc. METHOD FOR FORMATING AN ARTICLE OF CELLULOSE AND ARTICLE BASED ON CELLULOSE
US7879191B2 (en) * 2005-12-15 2011-02-01 Kimberly-Clark Worldwide, Inc. Wiping products having enhanced cleaning abilities
US20070137811A1 (en) * 2005-12-15 2007-06-21 Kimberly-Clark Worldwide, Inc. Premoistened tissue products
US20070137814A1 (en) * 2005-12-15 2007-06-21 Kimberly-Clark Worldwide, Inc. Tissue sheet molded with elevated elements and methods of making the same
US7879189B2 (en) 2005-12-15 2011-02-01 Kimberly-Clark Worldwide, Inc. Additive compositions for treating various base sheets
US7807023B2 (en) * 2005-12-15 2010-10-05 Kimberly-Clark Worldwide, Inc. Process for increasing the basis weight of sheet materials
US7879188B2 (en) * 2005-12-15 2011-02-01 Kimberly-Clark Worldwide, Inc. Additive compositions for treating various base sheets
WO2008156454A1 (en) * 2007-06-21 2008-12-24 Kimberly-Clark Worldwide, Inc. Wiping products having enhanced oil absorbency
US7988824B2 (en) * 2005-12-15 2011-08-02 Kimberly-Clark Worldwide, Inc. Tissue product having a transferable additive composition
US20070256802A1 (en) * 2006-05-03 2007-11-08 Jeffrey Glen Sheehan Fibrous structure product with high bulk
US7744723B2 (en) * 2006-05-03 2010-06-29 The Procter & Gamble Company Fibrous structure product with high softness
US8152959B2 (en) 2006-05-25 2012-04-10 The Procter & Gamble Company Embossed multi-ply fibrous structure product
US20070298221A1 (en) * 2006-06-26 2007-12-27 The Procter & Gamble Company Multi-ply fibrous structures and products employing same
US7914649B2 (en) * 2006-10-31 2011-03-29 The Procter & Gamble Company Papermaking belt for making multi-elevation paper structures
US20080099170A1 (en) * 2006-10-31 2008-05-01 The Procter & Gamble Company Process of making wet-microcontracted paper
US7799411B2 (en) * 2006-10-31 2010-09-21 The Procter & Gamble Company Absorbent paper product having non-embossed surface features
US7785443B2 (en) 2006-12-07 2010-08-31 Kimberly-Clark Worldwide, Inc. Process for producing tissue products
US9327888B2 (en) 2007-02-23 2016-05-03 The Procter & Gamble Company Array of sanitary tissue products
US7588662B2 (en) 2007-03-22 2009-09-15 Kimberly-Clark Worldwide, Inc. Tissue products containing non-fibrous polymeric surface structures and a topically-applied softening composition
USD618920S1 (en) 2007-05-02 2010-07-06 The Procter & Gamble Company Paper product
US8372766B2 (en) * 2007-07-31 2013-02-12 Kimberly-Clark Worldwide, Inc. Conductive webs
US8697934B2 (en) * 2007-07-31 2014-04-15 Kimberly-Clark Worldwide, Inc. Sensor products using conductive webs
US8058194B2 (en) * 2007-07-31 2011-11-15 Kimberly-Clark Worldwide, Inc. Conductive webs
US20090057456A1 (en) * 2007-08-31 2009-03-05 Thomas Gerard Shannon Rolled Tissue Product Having a Flexible Core
US20090057169A1 (en) * 2007-08-31 2009-03-05 Benjamin Joseph Kruchoski Spindle and Spindle Attachments for Coreless and Flexible Core Rolled Tissue Products
US20090136722A1 (en) * 2007-11-26 2009-05-28 Dinah Achola Nyangiro Wet formed fibrous structure product
US7914648B2 (en) * 2007-12-18 2011-03-29 The Procter & Gamble Company Device for web control having a plurality of surface features
US7811665B2 (en) 2008-02-29 2010-10-12 The Procter & Gamble Compmany Embossed fibrous structures
US7687140B2 (en) 2008-02-29 2010-03-30 The Procter & Gamble Company Fibrous structures
US8025966B2 (en) 2008-02-29 2011-09-27 The Procter & Gamble Company Fibrous structures
US7960020B2 (en) 2008-02-29 2011-06-14 The Procter & Gamble Company Embossed fibrous structures
US7704601B2 (en) 2008-02-29 2010-04-27 The Procter & Gamble Company Fibrous structures
US20090233049A1 (en) * 2008-03-11 2009-09-17 Kimberly-Clark Worldwide, Inc. Coform Nonwoven Web Formed from Propylene/Alpha-Olefin Meltblown Fibers
US8017534B2 (en) * 2008-03-17 2011-09-13 Kimberly-Clark Worldwide, Inc. Fibrous nonwoven structure having improved physical characteristics and method of preparing
US20090280297A1 (en) * 2008-05-07 2009-11-12 Rebecca Howland Spitzer Paper product with visual signaling upon use
US20100119779A1 (en) * 2008-05-07 2010-05-13 Ward William Ostendorf Paper product with visual signaling upon use
US7944401B2 (en) 2008-05-29 2011-05-17 Kimberly-Clark Worldwide, Inc. Radiating element for a signal emitting apparatus
AU2009252769B2 (en) * 2008-05-29 2014-03-20 Kimberly-Clark Worldwide, Inc. Conductive webs containing electrical pathways and method for making same
US8940323B2 (en) 2008-05-30 2015-01-27 Kimberly-Clark Worldwide, Inc. Tissue products having a cooling sensation when contacted with skin
US20100040825A1 (en) * 2008-08-18 2010-02-18 John Allen Manifold Fibrous structures and methods for making same
CA2735867C (en) 2008-09-16 2017-12-05 Dixie Consumer Products Llc Food wrap basesheet with regenerated cellulose microfiber
US8172982B2 (en) * 2008-12-22 2012-05-08 Kimberly-Clark Worldwide, Inc. Conductive webs and process for making same
US8110072B2 (en) * 2009-03-13 2012-02-07 The Procter & Gamble Company Through air dried papermaking machine employing an impermeable transfer belt
US8105463B2 (en) 2009-03-20 2012-01-31 Kimberly-Clark Worldwide, Inc. Creped tissue sheets treated with an additive composition according to a pattern
US8795717B2 (en) 2009-11-20 2014-08-05 Kimberly-Clark Worldwide, Inc. Tissue products including a temperature change composition containing phase change components within a non-interfering molecular scaffold
USD636608S1 (en) 2009-11-09 2011-04-26 The Procter & Gamble Company Paper product
MX2012005647A (en) 2009-11-19 2012-06-13 Procter & Gamble Belt having semicontinuous patterns and nodes.
US8480852B2 (en) * 2009-11-20 2013-07-09 Kimberly-Clark Worldwide, Inc. Cooling substrates with hydrophilic containment layer and method of making
US9181465B2 (en) 2009-11-20 2015-11-10 Kimberly-Clark Worldwide, Inc. Temperature change compositions and tissue products providing a cooling sensation
US8334049B2 (en) 2010-02-04 2012-12-18 The Procter & Gamble Company Fibrous structures
US8334050B2 (en) 2010-02-04 2012-12-18 The Procter & Gamble Company Fibrous structures
EP2539507A1 (en) 2010-02-26 2013-01-02 The Procter & Gamble Company Fibrous structure product with high wet bulk recovery
US8287693B2 (en) 2010-05-03 2012-10-16 The Procter & Gamble Company Papermaking belt having increased de-watering capability
US8282783B2 (en) 2010-05-03 2012-10-09 The Procter & Gamble Company Papermaking belt having a permeable reinforcing structure
US8313617B2 (en) 2010-08-19 2012-11-20 The Procter & Gamble Company Patterned framework for a papermaking belt
US8163130B2 (en) 2010-08-19 2012-04-24 The Proctor & Gamble Company Paper product having unique physical properties
US8211271B2 (en) 2010-08-19 2012-07-03 The Procter & Gamble Company Paper product having unique physical properties
US8298376B2 (en) 2010-08-19 2012-10-30 The Procter & Gamble Company Patterned framework for a papermaking belt
US9752281B2 (en) 2010-10-27 2017-09-05 The Procter & Gamble Company Fibrous structures and methods for making same
US20130005555A1 (en) * 2010-12-30 2013-01-03 Curt G. Joa, Inc. Method of creating a cross-machine direction fold line boundary
US8616126B2 (en) 2011-03-04 2013-12-31 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8833250B2 (en) 2011-03-04 2014-09-16 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8916260B2 (en) 2011-03-04 2014-12-23 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8985013B2 (en) 2011-03-04 2015-03-24 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8920911B2 (en) 2011-03-04 2014-12-30 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8665493B2 (en) 2011-03-04 2014-03-04 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8943958B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8927092B2 (en) 2011-03-04 2015-01-06 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8927093B2 (en) 2011-03-04 2015-01-06 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8943957B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8943959B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Unique process for printing multiple color indicia upon web substrates
US8839716B2 (en) 2011-03-04 2014-09-23 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8916261B2 (en) 2011-03-04 2014-12-23 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8962124B2 (en) 2011-03-04 2015-02-24 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8758560B2 (en) 2011-03-04 2014-06-24 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8943960B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Unique process for printing multiple color indicia upon web substrates
US8839717B2 (en) 2011-03-04 2014-09-23 The Procter & Gamble Company Unique process for printing multiple color indicia upon web substrates
US9242406B2 (en) 2011-04-26 2016-01-26 The Procter & Gamble Company Apparatus and process for aperturing and stretching a web
US8657596B2 (en) 2011-04-26 2014-02-25 The Procter & Gamble Company Method and apparatus for deforming a web
US9925731B2 (en) 2011-04-26 2018-03-27 The Procter & Gamble Company Corrugated and apertured web
CN107034724B (en) 2011-09-30 2019-12-17 凯米罗总公司 Paper and method of making paper
US9777434B2 (en) 2011-12-22 2017-10-03 Kemira Dyj Compositions and methods of making paper products
US9458574B2 (en) 2012-02-10 2016-10-04 The Procter & Gamble Company Fibrous structures
WO2013179139A1 (en) 2012-05-30 2013-12-05 Kemira Oyj Compositions and methods of making paper products
CA2876651C (en) 2012-06-22 2018-10-09 Kemira Oyj Compositions and methods of making paper products
EP2867010A1 (en) 2012-06-29 2015-05-06 The Procter & Gamble Company Textured fibrous webs, apparatus and methods for forming textured fibrous webs
US8968517B2 (en) 2012-08-03 2015-03-03 First Quality Tissue, Llc Soft through air dried tissue
CA2886043A1 (en) 2012-09-26 2014-04-03 Kemira Oyj Absorbent materials, products including absorbent materials, compositions, and methods of making absorbent materials
US8815054B2 (en) 2012-10-05 2014-08-26 The Procter & Gamble Company Methods for making fibrous paper structures utilizing waterborne shape memory polymers
CA2892582C (en) 2012-11-30 2021-03-09 Kimberly-Clark Worldwide, Inc. Smooth and bulky tissue
PT2929087T (en) 2012-12-06 2017-03-23 Kemira Oyj Compositions used in paper and methods of making paper
US9562326B2 (en) 2013-03-14 2017-02-07 Kemira Oyj Compositions and methods of making paper products
US20160053436A1 (en) * 2013-04-10 2016-02-25 Voith Patent Gmbh Clothing for a machine for manufacturing a web material
US9085130B2 (en) 2013-09-27 2015-07-21 The Procter & Gamble Company Optimized internally-fed high-speed rotary printing device
US9289329B1 (en) 2013-12-05 2016-03-22 Curt G. Joa, Inc. Method for producing pant type diapers
US9802392B2 (en) 2014-03-31 2017-10-31 Kimberly-Clark Worldwide, Inc. Microtextured multilayered elastic laminates with enhanced strength and elasticity and methods of making thereof
US9358759B2 (en) 2013-12-19 2016-06-07 Kimberly-Clark Worldwide, Inc. Multilayered elastic laminates with enhanced strength and elasticity and methods of making thereof
US10213990B2 (en) 2013-12-31 2019-02-26 Kimberly-Clark Worldwide, Inc. Methods to make stretchable elastic laminates
US11391000B2 (en) 2014-05-16 2022-07-19 First Quality Tissue, Llc Flushable wipe and method of forming the same
US10132042B2 (en) 2015-03-10 2018-11-20 The Procter & Gamble Company Fibrous structures
CN106660307B (en) 2014-09-03 2019-06-14 金伯利-克拉克环球有限公司 Intensity and the multilayer elastic laminates of elasticity with enhancing and preparation method thereof
AU2015320307A1 (en) 2014-09-25 2017-03-16 Gpcp Ip Holdings Llc Methods of making paper products using a multilayer creping belt, and paper products made using a multilayer creping belt
US9988763B2 (en) 2014-11-12 2018-06-05 First Quality Tissue, Llc Cannabis fiber, absorbent cellulosic structures containing cannabis fiber and methods of making the same
US10517775B2 (en) 2014-11-18 2019-12-31 The Procter & Gamble Company Absorbent articles having distribution materials
EP3023084B1 (en) 2014-11-18 2020-06-17 The Procter and Gamble Company Absorbent article and distribution material
US10765570B2 (en) 2014-11-18 2020-09-08 The Procter & Gamble Company Absorbent articles having distribution materials
WO2016086019A1 (en) 2014-11-24 2016-06-02 First Quality Tissue, Llc Soft tissue produced using a structured fabric and energy efficient pressing
MX2017006840A (en) 2014-12-05 2018-11-09 Manufacturing process for papermaking belts using 3d printing technology.
US10933577B2 (en) 2015-05-01 2021-03-02 The Procter & Gamble Company Unitary deflection member for making fibrous structures having increased surface area and process for making same
US9976261B2 (en) 2015-05-01 2018-05-22 The Procter & Gamble Company Unitary deflection member for making fibrous structures having increased surface area and process for making same
US9938666B2 (en) 2015-05-01 2018-04-10 The Procter & Gamble Company Unitary deflection member for making fibrous structures having increased surface area and process for making same
US9926667B2 (en) 2015-06-19 2018-03-27 The Procter & Gamble Company Seamless unitary deflection member for making fibrous structures having increased surface area and process for making same
US10544547B2 (en) 2015-10-13 2020-01-28 First Quality Tissue, Llc Disposable towel produced with large volume surface depressions
US10538882B2 (en) 2015-10-13 2020-01-21 Structured I, Llc Disposable towel produced with large volume surface depressions
CA3001608C (en) 2015-10-14 2023-12-19 First Quality Tissue, Llc Bundled product and system and method for forming the same
US10144016B2 (en) 2015-10-30 2018-12-04 The Procter & Gamble Company Apparatus for non-contact printing of actives onto web materials and articles
AU2017218159A1 (en) * 2016-02-11 2018-08-30 Structured I, Llc Belt or fabric including polymeric layer for papermaking machine
USD813480S1 (en) 2016-02-18 2018-03-20 Kimberly-Clark Worldwide, Inc. Wiper substrate
EP3426212B1 (en) 2016-03-11 2020-10-21 The Procter and Gamble Company Compositioned, textured nonwoven webs
WO2017156203A1 (en) 2016-03-11 2017-09-14 The Procter & Gamble Company A three-dimensional substrate comprising a tissue layer
US10233593B2 (en) 2016-03-24 2019-03-19 The Procter & Gamble Company Unitary deflection member for making fibrous structures and process for making same
US20170314206A1 (en) 2016-04-27 2017-11-02 First Quality Tissue, Llc Soft, low lint, through air dried tissue and method of forming the same
WO2018039623A1 (en) 2016-08-26 2018-03-01 Structured I, Llc Method of producing absorbent structures with high wet strength, absorbency, and softness
WO2018049390A1 (en) 2016-09-12 2018-03-15 Structured I, Llc Former of water laid asset that utilizes a structured fabric as the outer wire
CA3036897C (en) * 2016-10-25 2021-11-16 The Procter & Gamble Company Fibrous structures
WO2018081192A1 (en) 2016-10-25 2018-05-03 The Procter & Gamble Company Creped fibrous structures
WO2018081500A1 (en) 2016-10-27 2018-05-03 The Procter & Gamble Company Deflection member for making fibrous structures
US10676865B2 (en) 2016-10-27 2020-06-09 The Procter & Gamble Company Deflecting member for making fibrous structures
US10865521B2 (en) 2016-10-27 2020-12-15 The Procter & Gamble Company Deflecting member for making fibrous structures
US11583489B2 (en) 2016-11-18 2023-02-21 First Quality Tissue, Llc Flushable wipe and method of forming the same
US10619309B2 (en) 2017-08-23 2020-04-14 Structured I, Llc Tissue product made using laser engraved structuring belt
US11396725B2 (en) 2017-10-27 2022-07-26 The Procter & Gamble Company Deflecting member for making fibrous structures
WO2019104240A1 (en) 2017-11-22 2019-05-31 Extrusion Group, LLC Meltblown die tip assembly and method
US11207874B2 (en) 2017-12-26 2021-12-28 The Procter & Gamble Company Methods of making fibrous structures with shaped polymer particles
US10920376B2 (en) 2017-12-26 2021-02-16 The Procter & Gamble Company Fibrous structures with shaped polymer particles
DE102018114748A1 (en) 2018-06-20 2019-12-24 Voith Patent Gmbh Laminated paper machine clothing
US11697538B2 (en) 2018-06-21 2023-07-11 First Quality Tissue, Llc Bundled product and system and method for forming the same
US11738927B2 (en) 2018-06-21 2023-08-29 First Quality Tissue, Llc Bundled product and system and method for forming the same
EP3829509B1 (en) 2018-08-03 2023-12-13 The Procter & Gamble Company Webs with compositions applied thereto
EP3829510B1 (en) 2018-08-03 2023-12-27 The Procter & Gamble Company Webs with compositions thereon
EP3840709B1 (en) 2018-08-22 2023-11-15 The Procter & Gamble Company Disposable absorbent article
EP3873732B1 (en) 2018-10-31 2024-02-14 Kimberly-Clark Worldwide, Inc. Embossed multi-ply tissue products
CA3064406C (en) 2018-12-10 2023-03-07 The Procter & Gamble Company Fibrous structures
USD897117S1 (en) 2019-01-14 2020-09-29 Kimberly-Clark Worldwide, Inc. Absorbent sheet
US20230323598A1 (en) 2022-04-08 2023-10-12 The Procter & Gamble Company Sanitary Tissue Products Comprising Non-wood Fibers and Having Improved Formation
WO2023245029A1 (en) 2022-06-17 2023-12-21 The Procter & Gamble Company Digital arrays comprising sustainable sanitary tissue products

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US528A (en) * 1837-12-20 Improvement in cooking-stoves
US239A (en) * 1837-06-19 Machine for scraping hides
FR1148810A (en) 1955-02-21 1957-12-16 British Filters Ltd Improvements in filtration means and their manufacture
GB993584A (en) * 1962-01-24
US3301746A (en) * 1964-04-13 1967-01-31 Procter & Gamble Process for forming absorbent paper by imprinting a fabric knuckle pattern thereon prior to drying and paper thereof
US3738905A (en) * 1970-04-29 1973-06-12 Kimberly Clark Co Paper toweling material and method of combining into multi ply products
US3961119A (en) * 1973-03-15 1976-06-01 Kimberly-Clark Corporation Embossed paper toweling and method of production
JPS5231446A (en) * 1975-09-04 1977-03-09 Mitsubishi Heavy Ind Ltd System for controlling speed of both legs of portal crane
US4483728A (en) * 1980-07-14 1984-11-20 Kimberly-Clark Corporation Relieved patterned marrying roll
US4528239A (en) * 1983-08-23 1985-07-09 The Procter & Gamble Company Deflection member
US4514345A (en) * 1983-08-23 1985-04-30 The Procter & Gamble Company Method of making a foraminous member
US4919756A (en) * 1988-08-26 1990-04-24 The Procter & Gamble Company Method of and apparatus for compensatingly adjusting doctor blade
US5098522A (en) * 1990-06-29 1992-03-24 The Procter & Gamble Company Papermaking belt and method of making the same using a textured casting surface
US5126015A (en) * 1990-12-12 1992-06-30 James River Corporation Of Virginia Method for simultaneously drying and imprinting moist fibrous webs

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NO950677L (en) 1995-04-25
EP0851060A3 (en) 1998-09-09
ATE226988T1 (en) 2002-11-15
US5628876A (en) 1997-05-13
FI950861A (en) 1995-02-24
NO950677D0 (en) 1995-02-23
DE69321597D1 (en) 1998-11-19
HUT72224A (en) 1996-04-29
DK0656968T3 (en) 1999-06-23
WO1994004750A1 (en) 1994-03-03
CA2142606C (en) 1998-08-04
EP0851060A2 (en) 1998-07-01
KR950703098A (en) 1995-08-23
ES2182159T3 (en) 2003-03-01
NO307576B1 (en) 2000-04-25
ATE172260T1 (en) 1998-10-15
EP0656968A1 (en) 1995-06-14
HU218422B (en) 2000-08-28
HU9500582D0 (en) 1995-04-28
ES2122038T3 (en) 1998-12-16
BR9306993A (en) 1999-02-23
FI105113B (en) 2000-06-15
FI950861A0 (en) 1995-02-24
CA2142606A1 (en) 1994-03-03
NZ255752A (en) 1998-01-26
JPH08500644A (en) 1996-01-23
AU683428B2 (en) 1997-11-13
DE69332457D1 (en) 2002-12-05
KR100290989B1 (en) 2001-06-01
AU5009893A (en) 1994-03-15
DE69321597T2 (en) 1999-04-29
EP0656968B1 (en) 1998-10-14
US5714041A (en) 1998-02-03
CZ50695A3 (en) 1995-09-13
DE69332457T2 (en) 2003-03-20
JP3361807B2 (en) 2003-01-07

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